print ("Введите значение координату X")
X=int(input())
print ("Введите значение координату Y")
Y=int(input())
print ("Введите значение координату N")
N=int(input())
coords = [0,0,10,0,10,10,20,10,20,20,0,20]
if N = 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
pass
else
if N > 0 and 0*N+X>=0 and 0*N+X>=0 and 20*N+X<=500 and 20*N+X<=500:
pass
else
if N < 0 and 0*N+X>=0 and 0*N+X>=0 and 20*N+X<=500 and 20*N+X<=500:
pass
else
print ('Размер фигуры превышает максимальный размер поля')
exit()
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas = Canvas (dg="white", width=500, height=500)
canvas.pack (anchor=CENTER, expand=1)
canvas.create_polygon ( coords [0] *N+X, coords [1] *N+X,
                        coords [2] *N+X, coords [3] *N+X,
                        coords [4] *N+X, coords [5] *N+X,
                        coords [6] *N+X, coords [7] *N+X,
                        coords [8] *N+X, coords [9] *N+X,
                        coords [10] *N+X, coords [11] *N+X)
  root,mainloop()